Your Operating System is corrupted.You need to repair it by performing a repair using your Opareating System (OS) installation CD.

If you are using Windows XP, another alternative would be to install/reinstall service pack 3.This version fixes errors, but may fail to install if errors wont let it.In that case you will have to perform a system repair using your OS installation CD.

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Tonya, Check the attached links, you can also search the internet for top repairers in your area.
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."

NOTICE:
The ink cartridges are all the way to one end. If the X4270 is plugged
in, the cartridge carrier is stuck and doesn't move. After further
investigation a noticeable small black plastic lever is preventing the
ink cartridges from moving. Photo below shows lever up and down
(cartridges already moved in image below).

Figure 7 - Shows
inside of X4270 and the lever that causes error #1200. Image on left
displays lever up. Image on right displays lever down.

8. Push lever down clockwise so it is flush with plastic wall. Refer to image on right in Figure 6.

9.
Lift the front cover open (if not already open) and plug in the
X4270. Cartridges should move to center as if preparing for replacement.

10. Unplug the X4270 and remove power supply.

11. Remove bottom assembly carefully.

Figure 8 - Displays bottom assembly with lever and springNote:
The cause of this problem is the spring slides out of place over time,
probably because of ink shed on one end of its loop and loop attachment.

Figure 9 - Displays loop attachment

12.
Place spring in loop attachment and use hot tip of heated tool to
melt top of loop attachment to prevent further errors. Melt top of loop
attachment similar of that to a mushroom top.

Figure 10 - Displays fix for jammed carriage.

13. Reattach the lever to the bottom assembly and slide back into place inside the X4270.

NOTICE: The ink cartridges are all the way to one end. If the X4270 isplugged in, the cartridge carrier is stuck and doesn’t move. Afterfurther investigation a noticeable small black plastic lever ispreventing the ink cartridges from moving. Photo below shows lever upand down (cartridges already moved in image below).

Figure 7 - Shows inside of X4270 and the lever that causes error #1200.Image on left displays lever up. Image on right displays lever down.

8. Push lever down clockwise so it is flush with plastic wall. Refer to image on right in Figure 6.

9. Lift the front cover open (if not already open) and plug in theX4270. Cartridges should move to center as if preparing for replacement.

10. Unplug the X4270 and remove power supply.

11. Remove bottom assembly carefully.

Figure 8 - Displays bottom assembly with lever and springNote: The cause of this problem is the spring slides out of place overtime, probably because of ink shed on one end of its loop and loopattachment.

Figure 9 - Displays loop attachment

12. Place spring in loop attachment and use hot tip of heated toolto melt top of loop attachment to prevent further errors. Melt top ofloop attachment similar of that to a mushroom top.

Figure 10 - Displays fix for jammed carriage.

13. Reattach the lever to the bottom assembly and slide back into place inside the X4270.

Sounds like a poor power connection on the motherboard. Unfortunately, this isn't an easy fix - you have to completely disassemble the laptop and resolder the power connector. To check and see if this is the case, you can plug in your laptop, set it down on a table(so it doesn't move or get bumped), wait for it to start booting up, then gently wiggle the power cord where it connects to the laptop. If the computer shuts off, then it is, in fact, a loose connector.